Test Chemistry - Luca, Jean Monnet HS

What is an acid?

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A
A substance with pH above 7
B
A substance that releases hydrogen ions (H⁺) in water
C
A substance that turns litmus paper blue
D
A substance that only exists in solids

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What is a base?

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A
A substance with pH below 7
B
A substance that tastes sour
C
A substance that releases hydroxide ions (OH⁻) in water
D
A substance that cannot dissolve in water

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Which of the following is an example of an acid?

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A
Soap
B
Vinegar
C
Baking soda
D
Toothpaste

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Which of the following is an example of a base?

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A
Lemon juice
B
Orange juice
C
Baking soda
D
Vinegar

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What happens in a neutralization reaction?

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A
Two acids react together
B
An acid reacts with a base to form salt and water
C
A base becomes stronger
D
Water turns into an acid

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Which statement about acids is correct? A. Acids have a pH greater than 7 B. Acids often have a sour taste C. Acids feel slippery D. Acids turn red litmus paper blue

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A
Acids have a pH greater than 7
B
Acids often have a sour taste
C
Acids feel slippery
D
Acids turn red litmus paper blue

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Test Chemistry - Luca, Jean Monnet HS

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